|
Toshihiro Shimizu |
890ddd |
#include <cmath></cmath>
|
|
Toshihiro Shimizu |
890ddd |
#include <vector></vector>
|
|
Toshihiro Shimizu |
890ddd |
#include <limits> /* std::numeric_limits */</limits>
|
|
Toshihiro Shimizu |
890ddd |
#include "igs_ifx_common.h"
|
|
Toshihiro Shimizu |
890ddd |
#include "igs_warp.h"
|
|
Toshihiro Shimizu |
890ddd |
|
|
Shinya Kitaoka |
120a6e |
namespace {
|
|
Toshihiro Shimizu |
890ddd |
template <class class="" rt="" st,=""></class>
|
|
Shinya Kitaoka |
120a6e |
void vert_change_template_(ST *image, const int height, const int width,
|
|
Shinya Kitaoka |
120a6e |
const int channels
|
|
Toshihiro Shimizu |
890ddd |
|
|
Shinya Kitaoka |
120a6e |
,
|
|
Shinya Kitaoka |
120a6e |
const RT *refer // same as height,width,channels
|
|
Shinya Kitaoka |
120a6e |
,
|
|
Shinya Kitaoka |
120a6e |
const int refchannels, const int refcc
|
|
Toshihiro Shimizu |
890ddd |
|
|
Shinya Kitaoka |
120a6e |
,
|
|
Shinya Kitaoka |
120a6e |
const double offset, const double maxlen,
|
|
Shinya Kitaoka |
120a6e |
const bool alpha_rendering_sw,
|
|
Shinya Kitaoka |
120a6e |
const bool anti_aliasing_sw) {
|
|
Shinya Kitaoka |
120a6e |
const double smax = std::numeric_limits<st>::max();</st>
|
|
Shinya Kitaoka |
120a6e |
const double rmax = std::numeric_limits<rt>::max();</rt>
|
|
Toshihiro Shimizu |
890ddd |
|
|
Shinya Kitaoka |
120a6e |
std::vector<std::vector<double>> buf_s1(channels), buf_s2(channels);</std::vector<double>
|
|
Shinya Kitaoka |
120a6e |
for (int zz = 0; zz < channels; ++zz) {
|
|
Shinya Kitaoka |
120a6e |
buf_s1.at(zz).resize(height);
|
|
Shinya Kitaoka |
120a6e |
buf_s2.at(zz).resize(height);
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
std::vector<double> buf_r(height);</double>
|
|
Toshihiro Shimizu |
890ddd |
|
|
Shinya Kitaoka |
120a6e |
refer += refcc; /* 参照画像の参照色チャンネル */
|
|
Shinya Kitaoka |
120a6e |
for (int xx = 0; xx < width; ++xx, image += channels, refer += refchannels) {
|
|
Shinya Kitaoka |
120a6e |
for (int yy = 0; yy < height; ++yy) {
|
|
Shinya Kitaoka |
120a6e |
for (int zz = 0; zz < channels; ++zz) {
|
|
Shinya Kitaoka |
120a6e |
buf_s1.at(zz).at(yy) = image[yy * width * channels + zz] / smax;
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Toshihiro Shimizu |
890ddd |
|
|
Shinya Kitaoka |
120a6e |
for (int yy = 0; yy < height; ++yy) { // reference red of refer[]
|
|
Shinya Kitaoka |
120a6e |
double pos = static_cast<double>(refer[yy * width * refchannels]);</double>
|
|
Shinya Kitaoka |
120a6e |
buf_r.at(yy) = ((pos / rmax) - offset) * maxlen;
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Toshihiro Shimizu |
890ddd |
|
|
Shinya Kitaoka |
120a6e |
if (anti_aliasing_sw) {
|
|
Shinya Kitaoka |
120a6e |
for (int yy = 0; yy < height; ++yy) {
|
|
Shinya Kitaoka |
120a6e |
double pos = buf_r.at(yy);
|
|
Shinya Kitaoka |
120a6e |
int fl_pos = yy + static_cast<int>(std::floor(pos));</int>
|
|
Shinya Kitaoka |
120a6e |
int ce_pos = yy + static_cast<int>(std::ceil(pos));</int>
|
|
Shinya Kitaoka |
120a6e |
double div = pos - floor(pos);
|
|
Shinya Kitaoka |
120a6e |
if (fl_pos < 0) {
|
|
Shinya Kitaoka |
120a6e |
fl_pos = 0;
|
|
Shinya Kitaoka |
120a6e |
} else if (height <= fl_pos) {
|
|
Shinya Kitaoka |
120a6e |
fl_pos = height - 1;
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
if (ce_pos < 0) {
|
|
Shinya Kitaoka |
120a6e |
ce_pos = 0;
|
|
Shinya Kitaoka |
120a6e |
} else if (height <= ce_pos) {
|
|
Shinya Kitaoka |
120a6e |
ce_pos = height - 1;
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
for (int zz = 0; zz < channels; ++zz) {
|
|
Shinya Kitaoka |
120a6e |
if (!alpha_rendering_sw && (igs::image::rgba::alp == zz)) {
|
|
Shinya Kitaoka |
120a6e |
buf_s2.at(zz).at(yy) = buf_s1.at(zz).at(yy);
|
|
Shinya Kitaoka |
120a6e |
} else {
|
|
Shinya Kitaoka |
120a6e |
buf_s2.at(zz).at(yy) = buf_s1.at(zz).at(fl_pos) * (1.0 - div) +
|
|
Shinya Kitaoka |
120a6e |
buf_s1.at(zz).at(ce_pos) * div;
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
} else {
|
|
Shinya Kitaoka |
120a6e |
for (int yy = 0; yy < height; ++yy) {
|
|
Shinya Kitaoka |
120a6e |
int pos = yy + static_cast<int>(floor(buf_r.at(yy) + 0.5));</int>
|
|
Shinya Kitaoka |
120a6e |
if (pos < 0) {
|
|
Shinya Kitaoka |
120a6e |
pos = 0;
|
|
Shinya Kitaoka |
120a6e |
} else if (height <= pos) {
|
|
Shinya Kitaoka |
120a6e |
pos = height - 1;
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
for (int zz = 0; zz < channels; ++zz) {
|
|
Shinya Kitaoka |
120a6e |
if (!alpha_rendering_sw && (igs::image::rgba::alp == zz)) {
|
|
Shinya Kitaoka |
120a6e |
buf_s2.at(zz).at(yy) = buf_s1.at(zz).at(yy);
|
|
Shinya Kitaoka |
120a6e |
} else {
|
|
Shinya Kitaoka |
120a6e |
buf_s2.at(zz).at(yy) = buf_s1.at(zz).at(pos);
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Toshihiro Shimizu |
890ddd |
|
|
Shinya Kitaoka |
120a6e |
for (int yy = 0; yy < height; ++yy) {
|
|
Shinya Kitaoka |
120a6e |
for (int zz = 0; zz < channels; ++zz) {
|
|
Shinya Kitaoka |
120a6e |
image[yy * width * channels + zz] =
|
|
Shinya Kitaoka |
120a6e |
static_cast<st>(buf_s2.at(zz).at(yy) * (smax + 0.999999));</st>
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Toshihiro Shimizu |
890ddd |
}
|
|
Toshihiro Shimizu |
890ddd |
}
|
|
Toshihiro Shimizu |
890ddd |
//--------------------------------------------------------------------
|
|
Toshihiro Shimizu |
890ddd |
void igs::warp::vert_change(
|
|
Shinya Kitaoka |
120a6e |
unsigned char *image, const int height, const int width, const int channels,
|
|
Shinya Kitaoka |
120a6e |
const int bits
|
|
Toshihiro Shimizu |
890ddd |
|
|
Shinya Kitaoka |
120a6e |
,
|
|
Shinya Kitaoka |
120a6e |
const unsigned char *refer // by height,width,channels
|
|
Shinya Kitaoka |
120a6e |
,
|
|
Shinya Kitaoka |
120a6e |
const int refchannels, const int refcc, const int refbit
|
|
Toshihiro Shimizu |
890ddd |
|
|
Shinya Kitaoka |
120a6e |
,
|
|
Shinya Kitaoka |
120a6e |
const double offset, const double maxlen, const bool alpha_rendering_sw,
|
|
Shinya Kitaoka |
120a6e |
const bool anti_aliasing_sw) {
|
|
Shinya Kitaoka |
120a6e |
const int ucharb = std::numeric_limits<unsigned char="">::digits;</unsigned>
|
|
Shinya Kitaoka |
120a6e |
const int ushortb = std::numeric_limits<unsigned short="">::digits;</unsigned>
|
|
Shinya Kitaoka |
120a6e |
if ((ushortb == bits) && (ushortb == refbit)) {
|
|
Shinya Kitaoka |
120a6e |
vert_change_template_(
|
|
Shinya Kitaoka |
120a6e |
reinterpret_cast<unsigned *="" short="">(image), height, width, channels,</unsigned>
|
|
Shinya Kitaoka |
120a6e |
reinterpret_cast<const *="" short="" unsigned="">(refer), refchannels, refcc,</const>
|
|
Shinya Kitaoka |
120a6e |
offset, maxlen, alpha_rendering_sw, anti_aliasing_sw);
|
|
Shinya Kitaoka |
120a6e |
} else if ((ushortb == bits) && (ucharb == refbit)) {
|
|
Shinya Kitaoka |
120a6e |
vert_change_template_(reinterpret_cast<unsigned *="" short="">(image), height,</unsigned>
|
|
Shinya Kitaoka |
120a6e |
width, channels, refer, refchannels, refcc, offset,
|
|
Shinya Kitaoka |
120a6e |
maxlen, alpha_rendering_sw, anti_aliasing_sw);
|
|
Shinya Kitaoka |
120a6e |
} else if ((ucharb == bits) && (ushortb == refbit)) {
|
|
Shinya Kitaoka |
120a6e |
vert_change_template_(image, height, width, channels,
|
|
Shinya Kitaoka |
120a6e |
reinterpret_cast<const *="" short="" unsigned="">(refer),</const>
|
|
Shinya Kitaoka |
120a6e |
refchannels, refcc, offset, maxlen,
|
|
Shinya Kitaoka |
120a6e |
alpha_rendering_sw, anti_aliasing_sw);
|
|
Shinya Kitaoka |
120a6e |
} else if ((ucharb == bits) && (ucharb == refbit)) {
|
|
Shinya Kitaoka |
120a6e |
vert_change_template_(image, height, width, channels, refer, refchannels,
|
|
Shinya Kitaoka |
120a6e |
refcc, offset, maxlen, alpha_rendering_sw,
|
|
Shinya Kitaoka |
120a6e |
anti_aliasing_sw);
|
|
Shinya Kitaoka |
120a6e |
}
|
|
Toshihiro Shimizu |
890ddd |
}
|